mc68hc908gr8vp Freescale Semiconductor, Inc, mc68hc908gr8vp Datasheet - Page 177
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mc68hc908gr8vp
Manufacturer Part Number
mc68hc908gr8vp
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908GR8VP.pdf
(286 pages)
- Current page: 177 of 286
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18.8.2 SCI Control Register 2
SCI control register 2:
SCTIE — SCI Transmit Interrupt Enable Bit
TCIE — Transmission Complete Interrupt Enable Bit
SCRIE — SCI Receive Interrupt Enable Bit
Freescale Semiconductor
•
•
•
•
•
This read/write bit enables the SCTE bit to generate SCI transmitter CPU interrupt requests. Reset
clears the SCTIE bit.
This read/write bit enables the TC bit to generate SCI transmitter CPU interrupt requests. Reset clears
the TCIE bit.
This read/write bit enables the SCRF bit to generate SCI receiver CPU interrupt requests. Reset clears
the SCRIE bit.
1 = SCTE enabled to generate CPU interrupt
0 = SCTE not enabled to generate CPU interrupt
1 = TC enabled to generate CPU interrupt requests
0 = TC not enabled to generate CPU interrupt requests
1 = SCRF enabled to generate CPU interrupt
0 = SCRF not enabled to generate CPU interrupt
Enables the following CPU interrupt requests:
–
–
–
–
Enables the transmitter
Enables the receiver
Enables SCI wakeup
Transmits SCI break characters
M
0
1
0
0
1
1
Enables the SCTE bit to generate transmitter CPU interrupt requests
Enables the TC bit to generate transmitter CPU interrupt requests
Enables the SCRF bit to generate receiver CPU interrupt requests
Enables the IDLE bit to generate receiver CPU interrupt requests
Control Bits
Address:
PEN and PTY
Reset:
Read:
Write:
0X
0X
10
11
10
11
SCTIE
$0014
Bit 7
0
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
Figure 18-10. SCI Control Register 2 (SCC2)
Table 18-5. Character Format Selection
Start Bits
TCIE
6
0
1
1
1
1
1
1
SCRIE
5
0
Data Bits
8
9
7
7
8
8
ILIE
4
0
Character Format
Parity
None
None
Even
Even
Odd
Odd
TE
3
0
Stop Bits
1
1
1
1
1
1
RE
2
0
RWU
Character Length
1
0
10 bits
11 bits
10 bits
10 bits
11 bits
11 bits
Bit 0
SBK
0
I/O Registers
177
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